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From: "sjames at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/110462] [14 regression] Build failure with musl-1.2.4
 (filesystem/ops-common.h:377:5: error: 'off64_t' was not declared in this
 scope; did you mean 'off_t'?)
Date: Wed, 28 Jun 2023 17:15:24 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110462

--- Comment #4 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #2)
> The system call is defined in terms of off64_t. What type does musl use f=
or
> copy_file_range(2)?

/usr/include/unistd.h:197:ssize_t copy_file_range(int, off_t *, int, off_t =
*,
size_t, unsigned);

On musl, off_t and friends are always 64-bit (i.e. it's natively LFS, no ne=
ed
for largefile source functions/types). In musl-1.2.4, they dropped the
typedefs.=